Rear main spring L4.5x4E

• 4 x “Bolt system” rear spring
• Spring length: 4.5mm
• Number of spring turns 4
• Outer diameter of the spring 4.55mm
• Spring thread diameter 0.20mm
• HARDNESS: Soft/short.

*Valid for models with the “Bolt system” of the categories: LMP1 “TOYOTA”, IMSA, GT, ….